Home / 131,815.26-181,926.54-98,047.98

Finding the Fourth Proportional to 131,815.26, 181,926.54 and 98,047.98

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Solution

The fourth proportional to 131,815.26, 181,926.54 and 98,047.98 is: 135,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,815.26 : 181,926.54 = 98,047.98 : x
  2. Step 2: Convert to fraction form
    131,815.26/181,926.54 = 98,047.98/x
  3. Step 3: Cross multiply
    131,815.26x = 181,926.54 × 98,047.98
  4. Step 4: Simplify right side
    131,815.26x = 17,837,529,755.39
  5. Step 5: Solve for x
    x = 17,837,529,755.39/131,815.26
  6. Step 6: Final answer
    x = 135,322.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.